diff --git a/CVE-2024-9287-venv_path_unquoted.patch b/CVE-2024-9287-venv_path_unquoted.patch new file mode 100644 index 0000000..58f506c --- /dev/null +++ b/CVE-2024-9287-venv_path_unquoted.patch @@ -0,0 +1,303 @@ +From 1408cc9bf9e8b19968761548c30b78d37074c21c Mon Sep 17 00:00:00 2001 +From: Y5 <124019959+y5c4l3@users.noreply.github.com> +Date: Tue, 22 Oct 2024 04:48:04 +0800 +Subject: [PATCH] gh-124651: Quote template strings in `venv` activation + scripts (GH-124712) + +This patch properly quotes template strings in `venv` activation +scripts. This mitigates potential command injection. + +(cherry picked from commit d48cc82ed25e26b02eb97c6263d95dcaa1e9111b) +--- + Lib/test/test_venv.py | 81 ++++++++++ + Lib/venv/__init__.py | 42 ++++- + Lib/venv/scripts/common/activate | 10 - + Lib/venv/scripts/nt/activate.bat | 6 + Lib/venv/scripts/posix/activate.csh | 8 + Lib/venv/scripts/posix/activate.fish | 8 + Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst | 1 + 7 files changed, 135 insertions(+), 21 deletions(-) + create mode 100644 Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst + +--- a/Lib/test/test_venv.py ++++ b/Lib/test/test_venv.py +@@ -17,6 +17,7 @@ import subprocess + import sys + import sysconfig + import tempfile ++import shlex + from test.support import (captured_stdout, captured_stderr, + skip_if_broken_multiprocessing_synchronize, verbose, + requires_subprocess, is_emscripten, is_wasi, +@@ -97,6 +98,10 @@ class BaseTest(unittest.TestCase): + result = f.read() + return result + ++ def assertEndsWith(self, string, tail): ++ if not string.endswith(tail): ++ self.fail(f"String {string!r} does not end with {tail!r}") ++ + class BasicTest(BaseTest): + """Test venv module functionality.""" + +@@ -446,6 +451,82 @@ class BasicTest(BaseTest): + 'import sys; print(sys.executable)']) + self.assertEqual(out.strip(), envpy.encode()) + ++ # gh-124651: test quoted strings ++ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows') ++ def test_special_chars_bash(self): ++ """ ++ Test that the template strings are quoted properly (bash) ++ """ ++ rmtree(self.env_dir) ++ bash = shutil.which('bash') ++ if bash is None: ++ self.skipTest('bash required for this test') ++ env_name = '"\';&&$e|\'"' ++ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name) ++ builder = venv.EnvBuilder(clear=True) ++ builder.create(env_dir) ++ activate = os.path.join(env_dir, self.bindir, 'activate') ++ test_script = os.path.join(self.env_dir, 'test_special_chars.sh') ++ with open(test_script, "w") as f: ++ f.write(f'source {shlex.quote(activate)}\n' ++ 'python -c \'import sys; print(sys.executable)\'\n' ++ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n' ++ 'deactivate\n') ++ out, err = check_output([bash, test_script]) ++ lines = out.splitlines() ++ self.assertTrue(env_name.encode() in lines[0]) ++ self.assertEndsWith(lines[1], env_name.encode()) ++ ++ # gh-124651: test quoted strings ++ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows') ++ def test_special_chars_csh(self): ++ """ ++ Test that the template strings are quoted properly (csh) ++ """ ++ rmtree(self.env_dir) ++ csh = shutil.which('tcsh') or shutil.which('csh') ++ if csh is None: ++ self.skipTest('csh required for this test') ++ env_name = '"\';&&$e|\'"' ++ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name) ++ builder = venv.EnvBuilder(clear=True) ++ builder.create(env_dir) ++ activate = os.path.join(env_dir, self.bindir, 'activate.csh') ++ test_script = os.path.join(self.env_dir, 'test_special_chars.csh') ++ with open(test_script, "w") as f: ++ f.write(f'source {shlex.quote(activate)}\n' ++ 'python -c \'import sys; print(sys.executable)\'\n' ++ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n' ++ 'deactivate\n') ++ out, err = check_output([csh, test_script]) ++ lines = out.splitlines() ++ self.assertTrue(env_name.encode() in lines[0]) ++ self.assertEndsWith(lines[1], env_name.encode()) ++ ++ # gh-124651: test quoted strings on Windows ++ @unittest.skipUnless(os.name == 'nt', 'only relevant on Windows') ++ def test_special_chars_windows(self): ++ """ ++ Test that the template strings are quoted properly on Windows ++ """ ++ rmtree(self.env_dir) ++ env_name = "'&&^$e" ++ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name) ++ builder = venv.EnvBuilder(clear=True) ++ builder.create(env_dir) ++ activate = os.path.join(env_dir, self.bindir, 'activate.bat') ++ test_batch = os.path.join(self.env_dir, 'test_special_chars.bat') ++ with open(test_batch, "w") as f: ++ f.write('@echo off\n' ++ f'"{activate}" & ' ++ f'{self.exe} -c "import sys; print(sys.executable)" & ' ++ f'{self.exe} -c "import os; print(os.environ[\'VIRTUAL_ENV\'])" & ' ++ 'deactivate') ++ out, err = check_output([test_batch]) ++ lines = out.splitlines() ++ self.assertTrue(env_name.encode() in lines[0]) ++ self.assertEndsWith(lines[1], env_name.encode()) ++ + @unittest.skipUnless(os.name == 'nt', 'only relevant on Windows') + def test_unicode_in_batch_file(self): + """ +--- a/Lib/venv/__init__.py ++++ b/Lib/venv/__init__.py +@@ -11,6 +11,7 @@ import subprocess + import sys + import sysconfig + import types ++import shlex + + + CORE_VENV_DEPS = ('pip',) +@@ -422,11 +423,41 @@ class EnvBuilder: + :param context: The information for the environment creation request + being processed. + """ +- text = text.replace('__VENV_DIR__', context.env_dir) +- text = text.replace('__VENV_NAME__', context.env_name) +- text = text.replace('__VENV_PROMPT__', context.prompt) +- text = text.replace('__VENV_BIN_NAME__', context.bin_name) +- text = text.replace('__VENV_PYTHON__', context.env_exe) ++ replacements = { ++ '__VENV_DIR__': context.env_dir, ++ '__VENV_NAME__': context.env_name, ++ '__VENV_PROMPT__': context.prompt, ++ '__VENV_BIN_NAME__': context.bin_name, ++ '__VENV_PYTHON__': context.env_exe, ++ } ++ ++ def quote_ps1(s): ++ """ ++ This should satisfy PowerShell quoting rules [1], unless the quoted ++ string is passed directly to Windows native commands [2]. ++ [1]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_quoting_rules ++ [2]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_parsing#passing-arguments-that-contain-quote-characters ++ """ ++ s = s.replace("'", "''") ++ return f"'{s}'" ++ ++ def quote_bat(s): ++ return s ++ ++ # gh-124651: need to quote the template strings properly ++ quote = shlex.quote ++ script_path = context.script_path ++ if script_path.endswith('.ps1'): ++ quote = quote_ps1 ++ elif script_path.endswith('.bat'): ++ quote = quote_bat ++ else: ++ # fallbacks to POSIX shell compliant quote ++ quote = shlex.quote ++ ++ replacements = {key: quote(s) for key, s in replacements.items()} ++ for key, quoted in replacements.items(): ++ text = text.replace(key, quoted) + return text + + def install_scripts(self, context, path): +@@ -466,6 +497,7 @@ class EnvBuilder: + with open(srcfile, 'rb') as f: + data = f.read() + if not srcfile.endswith(('.exe', '.pdb')): ++ context.script_path = srcfile + try: + data = data.decode('utf-8') + data = self.replace_variables(data, context) +--- a/Lib/venv/scripts/common/activate ++++ b/Lib/venv/scripts/common/activate +@@ -39,14 +39,14 @@ deactivate nondestructive + if [ "${OSTYPE:-}" = "cygwin" ] || [ "${OSTYPE:-}" = "msys" ] ; then + # transform D:\path\to\venv to /d/path/to/venv on MSYS + # and to /cygdrive/d/path/to/venv on Cygwin +- export VIRTUAL_ENV=$(cygpath "__VENV_DIR__") ++ export VIRTUAL_ENV=$(cygpath __VENV_DIR__) + else + # use the path as-is +- export VIRTUAL_ENV="__VENV_DIR__" ++ export VIRTUAL_ENV=__VENV_DIR__ + fi + + _OLD_VIRTUAL_PATH="$PATH" +-PATH="$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH" ++PATH="$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH" + export PATH + + # unset PYTHONHOME if set +@@ -59,9 +59,9 @@ fi + + if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then + _OLD_VIRTUAL_PS1="${PS1:-}" +- PS1="__VENV_PROMPT__${PS1:-}" ++ PS1=__VENV_PROMPT__"${PS1:-}" + export PS1 +- VIRTUAL_ENV_PROMPT="__VENV_PROMPT__" ++ VIRTUAL_ENV_PROMPT=__VENV_PROMPT__ + export VIRTUAL_ENV_PROMPT + fi + +--- a/Lib/venv/scripts/nt/activate.bat ++++ b/Lib/venv/scripts/nt/activate.bat +@@ -8,7 +8,7 @@ if defined _OLD_CODEPAGE ( + "%SystemRoot%\System32\chcp.com" 65001 > nul + ) + +-set VIRTUAL_ENV=__VENV_DIR__ ++set "VIRTUAL_ENV=__VENV_DIR__" + + if not defined PROMPT set PROMPT=$P$G + +@@ -24,8 +24,8 @@ set PYTHONHOME= + if defined _OLD_VIRTUAL_PATH set PATH=%_OLD_VIRTUAL_PATH% + if not defined _OLD_VIRTUAL_PATH set _OLD_VIRTUAL_PATH=%PATH% + +-set PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH% +-set VIRTUAL_ENV_PROMPT=__VENV_PROMPT__ ++set "PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%" ++set "VIRTUAL_ENV_PROMPT=__VENV_PROMPT__" + + :END + if defined _OLD_CODEPAGE ( +--- a/Lib/venv/scripts/posix/activate.csh ++++ b/Lib/venv/scripts/posix/activate.csh +@@ -9,17 +9,17 @@ alias deactivate 'test $?_OLD_VIRTUAL_PA + # Unset irrelevant variables. + deactivate nondestructive + +-setenv VIRTUAL_ENV "__VENV_DIR__" ++setenv VIRTUAL_ENV __VENV_DIR__ + + set _OLD_VIRTUAL_PATH="$PATH" +-setenv PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH" ++setenv PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH" + + + set _OLD_VIRTUAL_PROMPT="$prompt" + + if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then +- set prompt = "__VENV_PROMPT__$prompt" +- setenv VIRTUAL_ENV_PROMPT "__VENV_PROMPT__" ++ set prompt = __VENV_PROMPT__"$prompt" ++ setenv VIRTUAL_ENV_PROMPT __VENV_PROMPT__ + endif + + alias pydoc python -m pydoc +--- a/Lib/venv/scripts/posix/activate.fish ++++ b/Lib/venv/scripts/posix/activate.fish +@@ -33,10 +33,10 @@ end + # Unset irrelevant variables. + deactivate nondestructive + +-set -gx VIRTUAL_ENV "__VENV_DIR__" ++set -gx VIRTUAL_ENV __VENV_DIR__ + + set -gx _OLD_VIRTUAL_PATH $PATH +-set -gx PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__" $PATH ++set -gx PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__ $PATH + + # Unset PYTHONHOME if set. + if set -q PYTHONHOME +@@ -56,7 +56,7 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" + set -l old_status $status + + # Output the venv prompt; color taken from the blue of the Python logo. +- printf "%s%s%s" (set_color 4B8BBE) "__VENV_PROMPT__" (set_color normal) ++ printf "%s%s%s" (set_color 4B8BBE) __VENV_PROMPT__ (set_color normal) + + # Restore the return status of the previous command. + echo "exit $old_status" | . +@@ -65,5 +65,5 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" + end + + set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" +- set -gx VIRTUAL_ENV_PROMPT "__VENV_PROMPT__" ++ set -gx VIRTUAL_ENV_PROMPT __VENV_PROMPT__ + end +--- /dev/null ++++ b/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst +@@ -0,0 +1 @@ ++Properly quote template strings in :mod:`venv` activation scripts. diff --git a/python312.changes b/python312.changes index 193c9b1..3480cb0 100644 --- a/python312.changes +++ b/python312.changes @@ -1,3 +1,10 @@ +------------------------------------------------------------------- +Thu Oct 24 16:09:00 UTC 2024 - Matej Cepl + +- Add CVE-2024-9287-venv_path_unquoted.patch to properly quote + path names provided when creating a virtual environment + (bsc#1232241, CVE-2024-9287) + ------------------------------------------------------------------- Tue Oct 1 15:32:06 UTC 2024 - Matej Cepl diff --git a/python312.spec b/python312.spec index 3efb13f..ad6f305 100644 --- a/python312.spec +++ b/python312.spec @@ -182,6 +182,9 @@ Patch41: docs-docutils_014-Sphinx_420.patch # PATCH-FIX-SLE doc-py38-to-py36.patch mcepl@suse.com # Make documentation extensions working with Python 3.6 Patch44: doc-py38-to-py36.patch +# PATCH-FIX-UPSTREAM CVE-2024-9287-venv_path_unquoted.patch gh#python/cpython#124651 mcepl@suse.com +# venv should properly quote path names provided when creating a venv +Patch45: CVE-2024-9287-venv_path_unquoted.patch BuildRequires: autoconf-archive BuildRequires: automake BuildRequires: fdupes